#57BBEB#57BBEB

#57BBEB is a light, moderate cyan. Relative luminance 0.436; OKLCH L 75.2% C 0.116 H 232.0°. Best body text is #000000 at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#57BBEB
RGB	rgb(87, 187, 235)
HSL	hsl(199, 79%, 63%)
HSV	hsv(199, 63%, 92%)
CMYK	cmyk(63%, 20.4%, 0%, 7.8%)
CIE-LAB	lab(71.93, -14.97, -32.58)
CIE-LCH	lch(71.93, 35.86, 245.33°)
OKLab	oklab(75.17% -0.0712 -0.0912)
OKLCH	oklch(75.17% 0.116 232)
XYZ	xyz(36.6904, 43.5613, 85.0557)
Luminance	0.4356 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BBEB #EB8757

analogous

#57EBD1 #57BBEB #5771EB

triadic

#57BBEB #EB57BB #BBEB57

tetradic

#57BBEB #D157EB #EB8757 #71EB57

square

#57BBEB #D157EB #EB8757 #71EB57

split-complementary

#57BBEB #EB5771 #EBD157

monochromatic

#157FB2 #20A5E4 #57BBEB #8ED1F2 #C4E7F8

Accessibility & contrast

On white

2.16

#57BBEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.71

#57BBEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BBEB

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BBEB	#FFFFFF	#000000	##000000
##57BBEB	1.00	2.16	9.71	9.71
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.71	21.00	1.00	1.00
##000000	9.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3B9ED

Deuteranopia (green-blind)

#8FAAEA

Tritanopia (blue-blind)

#00C8CB

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #57bbeb;
/* rgb */ color: rgb(87, 187, 235);
/* oklch */ color: oklch(75.2% 0.116 232.0);

Tailwind

colors: {
  custom: {
    50: '#94cff1',
    500: '#57bbeb',
    950: '#000000',
  },
}

SCSS

$custom: #57bbeb;
$custom-light: #94cff1;
$custom-dark: #000000;

JSON

{
  "hex": "#57bbeb",
  "rgb": {
    "r": 87,
    "g": 187,
    "b": 235
  },
  "hsl": {
    "h": 199.459,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.75165,
    "c": 0.1157,
    "h": 232
  },
  "luminance": 0.43565
}

Semantic roles & 50–950 ramp

primary

#57BBEB

secondary

#E9C6B4

accent

#4E0ADB

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57BBEB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →